sweetalert2 versions 8.19.1 and up until 9.0.0 are vulnerable to hidden functionality that was introduced by the maintainer. The package outputs audio and/or video messages that do not pertain to the functionality of the package and is not included in versions below 8.19.1.

Workaround

Users who are unable to update to the fixed version (11.22.4) can use package versions 8.19.0 and below, as they do not contain the hidden functionality.

References

• https://github.com/sweetalert2/sweetalert2/releases/tag/v11.4.9
• https://www.npmjs.com/package/sweetalert2
• https://github.com/sweetalert2/sweetalert2/releases/tag/v11.22.4